A positioning device for an electric bicycle battery box

Abstract

The utility model provides a positioning device for an electric bicycle battery box, which belongs to the technical field of electric bicycles, and includes a battery protection shell, a heat dissipation hole, which is opened inside the bottom of the battery protection shell, and a heat dissipation structure, which is arranged at the bottom of the battery protection shell, wherein the heat dissipation structure includes a guide groove fixed at the bottom of a connecting plate, a turbine fan installed inside the guide groove, and a dust filter assembly arranged on one side of the guide groove. In the utility model, air is blown into the interior of the battery protection shell through the heat dissipation hole by starting the turbine fan, and at the same time, a fence net prevents mud, water, sand and gravel from entering the interior of the battery protection shell, thereby realizing the battery heat dissipation function of the device, effectively reducing the heat accumulated by the battery during operation, keeping the battery running within a suitable temperature range, improving the charging and discharging efficiency of the battery, and at the same time reducing the risk of thermal runaway, and improving the safety of the battery.

Description

Technical Field

[0001] The utility model relates to the technical field of electric bicycles, in particular to a positioning device for a battery box of an electric bicycle. Background Art

[0002] An electric bicycle is a means of transportation that uses a battery as an auxiliary energy source. It combines the flexibility of a bicycle with the convenience of an electric car, making people's travel easier and more efficient. During the production process of an electric bicycle, in order to facilitate the installation and fixation of the electric bicycle battery box, it is necessary to use a positioning device for the electric bicycle battery box to fix the installation position of the electric bicycle battery box, thereby reducing the difficulty of installing the electric bicycle battery box and improving the installation accuracy.

[0003] After searching, the Chinese patent application No. 202123005682.X discloses a positioning device for an electric bicycle battery box, comprising a first plate and a second plate, wherein a first support plate is arranged at the lower end of the first plate, a second support plate is arranged at the lower end of the second plate, a telescopic groove A is provided on the lower side of the second support plate, one end of the first support plate is slidably mounted on the lower side of the second support plate, and a first side plate and a second side plate are arranged between the first plate and the second plate; by designing the first plate, the second plate, the first side plate and the second side plate, the battery box is supported by the first support plate and the second support plate during use, and the battery is limited by the first side plate and the second side plate, thereby positioning the battery box, and at the same time, according to the number of installed battery boxes, the distance between the first plate and the second plate is adjusted by the telescopic groove B and the telescopic groove A, so that the first plate and the second plate clamp the battery box, thereby making the battery box more stable during installation to avoid mutual collision;

[0004] The above patent still has the following deficiencies: (1) It is not convenient to dissipate heat from the battery. Since a plate is provided at the bottom of the existing device to support the battery box, the air circulation at the bottom of the battery box is blocked, affecting the heat dissipation between the battery box and the outside world, causing the battery to overheat after long-term use, thus shortening the battery life;

[0005] (2) It is inconvenient to load and unload the battery box. When installing the battery box, existing devices usually use bolts to fix the battery box inside the device, which is not convenient for users to quickly remove the battery box. This not only affects the convenience of charging and maintenance, but also may increase safety hazards and difficulties in carrying and storing.

[0006] Therefore, there is an urgent need for a positioning device for an electric bicycle battery box to solve the above problems. Utility Model Content

[0007] The purpose of the utility model is to address the current problem of inconvenience in dissipating heat for batteries. Since a plate is provided at the bottom of the existing device to support the battery box, the circulation of air at the bottom of the battery box is hindered, affecting the heat dissipation between the battery box and the outside world, causing the battery to overheat after long-term use, thus affecting the service life of the battery.

[0008] In order to achieve the above-mentioned invention object, the utility model provides the following technical solutions:

[0009] A positioning device for an electric bicycle battery box, comprising a battery protection shell, and further comprising:

[0010] The heat dissipation hole is opened inside the bottom of the battery protective shell;

[0011] A support seat is arranged on the outside of the battery protection shell, and a fixing sleeve is fixed to the bottom end of the support seat, a moving rod is inserted inside the fixing sleeve, and a locking bolt connected to the moving rod is inserted at the top end of the fixing sleeve;

[0012] A fixing structure, arranged inside one side of the support base, used to fix the position of the battery protection shell;

[0013] A bolt seat is fixed to the top of one side of the support seat, and the top of the bolt seat is provided with a connecting seat connected to the battery protection shell;

[0014] A jacket is fixed to the bottom end of the fixed sleeve, and a rubber pad is installed inside the jacket;

[0015] A connecting plate, fixed on one side of the fixing sleeve;

[0016] The heat dissipation structure is arranged at the bottom end of the battery protection shell, wherein the heat dissipation structure includes a guide groove fixed at the bottom end of the connecting plate, a turbine fan installed inside the guide groove, and a dust filter assembly arranged on one side of the guide groove.

[0017] As a preferred technical solution of the present application, the dust filter assembly includes an internal mounting shell that is detachably mounted on one side of the guide groove and a fence net fixed inside the mounting shell.

[0018] Through the above technical solution, the turbine fan is started to blow air into the interior of the battery protective shell through the heat dissipation holes, and at the same time the fence prevents mud, water, sand and gravel from entering the interior of the battery protective shell.

[0019] As a preferred technical solution of the present application, the mounting shell is mounted on one side of the guide groove by bolts, and a sliding structure is formed between the mounting shell and the guide groove.

[0020] Through the above technical solution, the installation shell can be easily removed by dismantling the bolts, and the surface of the fence net can be cleaned.

[0021] As a preferred technical solution of the present application, the fixing structure includes a limit seat fixed on one side of the support seat, a spring fixed inside the limit seat, a fixing pin sleeved on the outside of the spring, a pull ring fixed on one side of the fixing pin, and grooves opened inside both sides of the battery protective shell.

[0022] Through the above technical solution, the fixing pin is pushed into the inside of the groove by the spring to fix the battery protective shell to the support seat, and the fixing pin can be pulled out by pulling the pull ring.

[0023] As a preferred technical solution of the present application, a snap-fit ​​structure is formed between the groove and the fixing pin, and a sliding structure is formed between the fixing pin and the support seat.

[0024] Through the above technical solution, the movement of the fixing pin is guided by the fixing pin sliding inside the support seat.

[0025] As a preferred technical solution of the present application, the fixing pins are symmetrically distributed on the vertical center line of the battery protective shell, and the top view cross-section of the limit seat is a "U"-shaped structure.

[0026] Through the above technical solution, the battery protective shell can be fixed from both sides at the same time through the two sets of fixing pins on the left and right sides, so that the battery protective shell is firmly fixed and is not easy to fall off during the driving of the vehicle.

[0027] Compared with the prior art, the utility model has the following beneficial effects:

[0028] In the scheme of this application:

[0029] 1. The turbine fan is started to blow air into the battery protective shell through the heat dissipation holes. At the same time, the fence prevents mud, water, sand and gravel from entering the battery protective shell. This realizes the battery heat dissipation function of the device, effectively reduces the heat accumulated in the battery during operation, keeps the battery running within a suitable temperature range, improves the battery charging and discharging efficiency, reduces the risk of thermal runaway, and improves the safety of the battery.

[0030] 2. The fixing pin is pushed into the groove by the spring to fix the battery protection shell to the support base. The fixing pin can be pulled out by pulling the pull ring, thereby realizing the easy loading and unloading function of this device, making it convenient to remove the battery when not in use and put it in a safe place, reducing the risk of battery theft. At the same time, the detachable battery box design makes it easier to carry and store the electric bicycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is one of the schematic diagrams of the structure of the utility model;

[0032] Figure 2 This is the second schematic diagram of the structure of the utility model;

[0033] Figure 3 This is the third schematic diagram of the structure of the utility model;

[0034] Figure 4 Provided for this application Figure 3 A partial cross-section at the center is an enlarged structural diagram;

[0035] Figure 5 This is a schematic diagram of the three-dimensional cross-sectional structure of the heat dissipation structure provided in this application.

[0036] Markings in the figure: 1. Battery protection shell; 2. Heat dissipation hole; 3. Connecting seat; 4. Bolt seat; 5. Support seat; 6. Jacket; 7. Fixing structure; 701. Groove; 702. Fixing pin; 703. Spring; 704. Limiting seat; 705. Pull ring; 8. Moving rod; 9. Heat dissipation structure; 901. Turbine fan; 902. Guide groove; 903. Mounting shell; 904. Fence net; 10. Locking bolt; 11. Connecting plate; 12. Fixing sleeve; 13. Rubber pad. DETAILED DESCRIPTION

[0037] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0038] like Figure 1-5 As shown, the positioning device of the battery box of an electric bicycle proposed in this embodiment includes a battery protection shell 1, and also includes:

[0039] A heat dissipation hole 2 is provided inside the bottom end of the battery protection shell 1;

[0040] The support base 5 is arranged on the outside of the battery protection shell 1, and a fixing sleeve 12 is fixed to the bottom end of the support base 5, a moving rod 8 is inserted inside the fixing sleeve 12, and a locking bolt 10 connected to the moving rod 8 is inserted at the top end of the fixing sleeve 12;

[0041] The fixing structure 7 is arranged inside one side of the support base 5 and is used to fix the position of the battery protection shell 1;

[0042] A bolt seat 4 is fixed to the top of one side of the support seat 5, and a connecting seat 3 connected to the battery protection shell 1 is provided at the top of the bolt seat 4;

[0043] The jacket 6 is fixed to the bottom end of the fixed sleeve 12, and a rubber pad 13 is installed inside the jacket 6;

[0044] A connecting plate 11 is fixed to one side of the fixing sleeve 12;

[0045] The heat dissipation structure 9 is arranged at the bottom end of the battery protective shell 1, wherein the heat dissipation structure 9 includes a guide groove 902 fixed at the bottom end of the connecting plate 11, a turbine fan 901 installed inside the guide groove 902, and a dust filter assembly arranged on one side of the guide groove 902.

[0046] like Figure 1 , Figure 2 and Figure 5 As shown, as a preferred embodiment, on the basis of the above method, further, the dust filter assembly includes an internal mounting shell 903 that can be detachably mounted on one side of the guide groove 902 and a fence net 904 fixed inside the mounting shell 903, the mounting shell 903 is mounted on one side of the guide groove 902 by bolts, and a sliding structure is formed between the mounting shell 903 and the guide groove 902, and the air is stirred by starting the turbine fan 901, and the air is blown to the bottom of the battery protective shell 1, so that the air enters the battery protective shell 1 through the heat dissipation hole 2, and the battery installed in the battery protective shell 1 is dissipated, and at the same time, the guide groove 902 guides the air, and the air entering the guide groove 902 is filtered through the fence net 904 to prevent mud, water, sand and gravel from entering the guide groove 902, and the mounting shell 903 is removed to clean the surface of the fence net 904.

[0047] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the fixing structure 7 includes a limiting seat 704 fixed on one side of the support seat 5, a spring 703 fixed inside the limiting seat 704, a fixing pin 702 sleeved on the outside of the spring 703, a pull ring 705 fixed on one side of the fixing pin 702, and grooves 701 opened inside both sides of the battery protective shell 1, a clamping structure is formed between the groove 701 and the fixing pin 702, and a sliding structure is formed between the fixing pin 702 and the support seat 5. By inserting the battery protective shell 1 between multiple groups of support seats 5, the bottom of the battery protective shell 1 is pushed along the curved surface of the fixing pin 702 to push the fixing pin 702 into the interior of the support seat 5 and squeeze the spring 703. When the battery protective shell 1 is installed to the specified position, the spring 703 pushes the fixing pin 702 to insert into the interior of the groove 701 to fix the battery protective shell 1 to the support seat 5. The fixing pin 702 can be pulled out by pulling the pull ring 705, and the battery protective shell 1 is disassembled.

[0048] Specifically, when the positioning device of the battery box of the electric bicycle is in use: the movable rod 8 is pulled to move inside the fixed sleeve 12, the length of the device can be adjusted according to the size of the battery protective shell 1, the locking bolt 10 is rotated to lock and fix the movable rod 8 and the fixed sleeve 12, and the device is installed and fixed on the electric bicycle frame through the clamping sleeve 6, and then the battery protective shell 1 is placed between the four groups of support seats 5, the fixing structure 7 is fixed to the position of the battery protective shell 1, and the battery protective shell 1 is installed and fixed, and the bottom of the battery protective shell 1 can be dissipated through the heat dissipation structure 9, thereby accelerating the flow of air inside the battery protective shell 1.

[0049] The turbine fan 901 is started to stir the air and blow the air toward the bottom of the battery protection shell 1, so that the air enters the battery protection shell 1 through the heat dissipation hole 2 to dissipate the heat of the battery installed in the battery protection shell 1. At the same time, the guide groove 902 guides the air, and the air entering the guide groove 902 is filtered through the fence net 904 to prevent mud, water, sand and gravel from entering the guide groove 902. The installation shell 903 is disassembled to clean the surface of the fence net 904.

[0050] By inserting the battery protective shell 1 between multiple groups of support seats 5, the bottom of the battery protective shell 1 is pushed along the curved surface of the fixing pin 702 to push the fixing pin 702 into the interior of the support seat 5 and squeeze the spring 703. When the battery protective shell 1 is installed to the specified position, the spring 703 pushes the fixing pin 702 to insert into the interior of the groove 701 to fix the battery protective shell 1 to the support seat 5. The fixing pin 702 can be pulled out by pulling the pull ring 705 to disassemble the battery protective shell 1.

[0051] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. A positioning device for an electric bicycle battery box, comprising a battery protection shell (1), characterized in that: Also includes, A heat dissipation hole (2) is provided inside the bottom end of the battery protection shell (1); A support seat (5) is arranged on the outside of the battery protection shell (1), and a fixing sleeve (12) is fixed to the bottom end of the support seat (5), a moving rod (8) is inserted into the interior of the fixing sleeve (12), and a locking bolt (10) connected to the moving rod (8) is inserted into the top end of the fixing sleeve (12); A fixing structure (7) is arranged inside one side of the support seat (5) and is used to fix the battery protection shell (1); A bolt seat (4) is fixed to the top end of one side of the support seat (5), and a connecting seat (3) connected to the battery protection shell (1) is provided at the top end of the bolt seat (4); A jacket (6) is fixed to the bottom end of the fixed jacket (12), and a rubber pad (13) is installed inside the jacket (6); A connecting plate (11) fixed to one side of the fixing sleeve (12); A heat dissipation structure (9) is arranged at the bottom end of the battery protection shell (1), wherein the heat dissipation structure (9) comprises a guide groove (902) fixed to the bottom end of the connecting plate (11), a turbine fan (901) installed inside the guide groove (902), and a dust filter assembly arranged on one side of the guide groove (902).

2. The positioning device for an electric bicycle battery box according to claim 1, characterized in that: The dust filter assembly comprises an internal mounting shell (903) detachably mounted on one side of the guide groove (902) and a fence net (904) fixed inside the mounting shell (903).

3. The positioning device for an electric bicycle battery box according to claim 2, characterized in that: The mounting shell (903) is mounted on one side of the guide groove (902) by means of bolts, and a sliding structure is formed between the mounting shell (903) and the guide groove (902).

4. The positioning device for an electric bicycle battery box according to claim 1, characterized in that: The fixing structure (7) comprises a limiting seat (704) fixed to one side of the support seat (5), a spring (703) fixed inside the limiting seat (704), a fixing pin (702) sleeved on the outside of the spring (703), a pull ring (705) fixed to one side of the fixing pin (702), and grooves (701) provided inside both sides of the battery protection shell (1).

5. The positioning device for an electric bicycle battery box according to claim 4, characterized in that: A snap-fit ​​structure is formed between the groove (701) and the fixing pin (702), and a sliding structure is formed between the fixing pin (702) and the support seat (5).

6. The positioning device for an electric bicycle battery box according to claim 4, characterized in that: The fixing pins (702) are symmetrically distributed on the vertical center line of the battery protection shell (1), and the limit seat (704) has a "U"-shaped cross-section when viewed from above.

Images